一開始看到這鏡頭時，以為鏡片破掉了，把取出鏡片之後，確定問題是膠合鏡組有脫膠/離膠的現象。
依照標準處理程序，將鏡組分離、清除壞掉的膠、重新黏合、補上鏡壁黑漆 便可完成。
處理好後，鏡頭便恢復雄風！
This lens got a serious separation issue to its rear cemented lens group.
At the first glance, I thought it is a broken glass. After I take the lens out, I realized that the problem is cemented lens group separation.
Following the standard treatment procedure, the lens restored to its original clean and clear condition!
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